Private Sub Form_Load()
    Dim objApp As SolidEdgeFramework.Application
    Dim objDoc As SolidEdgePart.PartDocument
    Dim objBody As SolidEdgeGeometry.Body
    Dim objEdge As SolidEdgeGeometry.Edge
    Dim dblFromParam As Double
    Dim dblToParam As Double
    Dim dblLength As Double
    ' Report errors
    Const PI = 3.14159265358979
    ' Create/get the application with specific settings
    On Error Resume Next
    Set objApp = GetObject(, "SolidEdge.Application")
    If Err Then
        Err.Clear
        Set objApp = CreateObject("SolidEdge.Application")
        Set objDoc = objApp.Documents.Add("SolidEdge.PartDocument")
        objApp.Visible = True
    Else
        Set objDoc = objApp.ActiveDocument
    End If
    ' creating the base feature
    If CreateModel(objDoc) <> "" Then
        MsgBox "Error creating the model"
        Exit Sub
    End If
    ' getting the body object of the model
    Set objBody = objDoc.Models(1).Body
    'getting an edge from the collection of edges of the body
    Set objEdge = objBody.Edges(EdgeType:=igQueryAll).Item(2)
    ' getting the length between two given points on an edge
    dblFromParam = 0
    dblToParam = PI / 2
    Call objEdge.GetLengthAtParam(FromParam:=dblFromParam, ToParam:=dblToParam, Length:=dblLength)
    ' USER DISPLAY
    ' Release objects
    Set objApp = Nothing
    Set objDoc = Nothing
    Set objBody = Nothing
    Set objEdge = Nothing
End Sub